Nortel Meridian 1 Manual page 255

Table 31
NT8D11 CE/PE Module: NT8D15 E&M Trunk Card 4-wire type 1 and
type 2 mode pair-terminations
Lead designations
Type 1
TA/TB
RA/RB
E/M
ESC/ESCG
TA/TB
RA/RB
E/M
ESC/ESCG
TA/TB
RA/RB
E/M
ESC/ESCG
TA/TB
RA/RB
E/M
ESC/ESCG
Note 1: Each of the following I/O panel connectors is cabled as shown above:
connectors A, B, C, D, E, F, G, H, K, and L. These connectors are associated with
backplane slots 0 through 9, sequentially.
Note 2: TA/TB is the transmit pair; RA/RB is the receive pair.
Cabling lines and trunks
Pin
numbers
Type 2
TA/TB 26/1
RA/RB 27/2
EA/EB 28/3
MA/MB 29/4
TA/TB 30/5
RA/RB 31/6
EA/EB 32/7
MA/MB 33/8
TA/TB 34/9
RA/RB 35/10
EA/EB 36/11
MA/MB 37/12
TA/TB 38/13
RA/RB 39/14
EA/EB 40/15
MA/MB 41/16
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Pair color
W-BL/BL-W
W-O/O-W
W-G/G-W
W-BR/BR-W
W-S/S-W
R-BL/BL-R
R-O/O-R
R-G/G-R
R-BR/BR-R
R-S/S-R
BK-BL/BL-BK
BK-O/O-BK
BK-G/G-BK
BK-BR/BR-BK
BK-S/S-BK
Y-BL/BL-Y
System installation procedures
Unit
0
1
2
3